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“The plant can withstand relatively high winds, but the transmission grid can’t — that’s all those transmission towers that are all over the states,” Gundersen says. “So what’s like to happen is that power lines will go down and the plant will suffer what will call loss of offsite power,” the same thing that happened at Fukushima, Japan. rt.com...
No aging problem has been more vexing or dangerous in nuclear power plants than the tendency of reactors to grow brittle.
In certain emergencies, these vessels would flood with cooling water. If the vessel walls are too brittle, they could shatter and spew their radioactive contents into the environment.
By 1982, 14 nuclear plants had violated the standard. An NRC staff report offered the faint reassurance that no shutdowns would be needed "in the next few years." The agency went to work — not figuring out how to fix vessels, but justifying a higher standard
The alert – the second lowest of four NRC action levels – came after water levels at the plant rose by more than 6.5 feet (2 metres), potentially affecting the pumps that circulate water through the plant, an NRC spokesman said.
Those pumps are not essential since the plant is shut for planned refuelling at the moment. However a further rise to 7 feet could submerge the service water pump motor that is used to cool the water in the spent fuel pool.
In the most significant boost yet for Government plans for a new network of atomic power stations, Japanese engineering giant Hitachi took on a project to construct plants in Wales and Gloucestershire.
The £700million deal will create 12,000 jobs for construction workers, engineers and other skilled employees, and spark a broader multi-billion-pound investment in the nuclear industry.
Two British firms, power systems provider Rolls-Royce and engineering services group Babcock International, will work with Hitachi on the project. www.dailymail.co.uk... 90
On March 5, 2002, maintenance workers discovered that corrosion had eaten a football-sized hole into the reactor vessel head of the Davis-Besse plant. Although the corrosion did not lead to an accident, this was considered to be a serious nuclear safety incident. The Nuclear Regulatory Commission kept Davis-Besse shut down until March 2004, so that FirstEnergy was able to perform all the necessary maintenance for safe operations. The NRC imposed its largest fine ever -- more than $5 million -- against FirstEnergy for the actions that led to the corrosion. The company paid an additional $28 million in fines under a settlement with the U.S. Department of Justice.